diff options
| author | Junaid Shahid <junaids@google.com> | 2018-06-29 13:10:05 -0700 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2018-08-06 17:59:01 +0200 |
| commit | faff87588d8bfd9e56e9203412f0bb80455da7b9 (patch) | |
| tree | 740ebc1243b63b7b2aafb9c058480395f35f2a41 /arch/x86/include/asm/kvm_host.h | |
| parent | 956bf3531fba53c0501eda4fbc67950b0f7b913f (diff) | |
| download | linux-faff87588d8bfd9e56e9203412f0bb80455da7b9.tar.bz2 | |
kvm: x86: Flush only affected TLB entries in kvm_mmu_invlpg*
This needs a minor bug fix. The updated patch is as follows.
Thanks,
Junaid
------------------------------------------------------------------------------
kvm_mmu_invlpg() and kvm_mmu_invpcid_gva() only need to flush the TLB
entries for the specific guest virtual address, instead of flushing all
TLB entries associated with the VM.
Signed-off-by: Junaid Shahid <junaids@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch/x86/include/asm/kvm_host.h')
| -rw-r--r-- | arch/x86/include/asm/kvm_host.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h index 262b0bc64dfc..dcdc9150bb76 100644 --- a/arch/x86/include/asm/kvm_host.h +++ b/arch/x86/include/asm/kvm_host.h @@ -985,6 +985,14 @@ struct kvm_x86_ops { void (*tlb_flush)(struct kvm_vcpu *vcpu, bool invalidate_gpa); + /* + * Flush any TLB entries associated with the given GVA. + * Does not need to flush GPA->HPA mappings. + * Can potentially get non-canonical addresses through INVLPGs, which + * the implementation may choose to ignore if appropriate. + */ + void (*tlb_flush_gva)(struct kvm_vcpu *vcpu, gva_t addr); + void (*run)(struct kvm_vcpu *vcpu); int (*handle_exit)(struct kvm_vcpu *vcpu); void (*skip_emulated_instruction)(struct kvm_vcpu *vcpu); |